The UBTECH Cadebot is a multi-scene intelligent open delivery robot featuring a 21-inch high-definition advertising display with customizable marketing materials via USB or cloud management across 4 service modes. Customizable holiday, marketing, or brand-themed skins are supported. Multimodal interaction integrates lighting, animated expressions, natural language processing, and body touch. A 6-matrix surround microphone array provides 360-degree coverage with accurate voice recognition up to 5 m, with personalized voice customization. U-SLAM fusion positioning combines laser SLAM and AI visual technology for high-precision positioning in complex environments. Multi-sensor fusion uses front-to-back LiDAR, RGBD depth cameras, and ultrasonic sensors for 3D obstacle avoidance including cliff detection, glass recognition, and automatic slope deceleration. An automotive-grade independent suspension adjusts damping to road conditions. A 65 cm narrow lane passage is supported with built-in infrared tray sensors for pickup detection and lighting. Lora wireless supports offline multi-device coordination. Service modes include birthday, guests welcoming, item delivery, and cruising with advertising. It operates up to 8 hours on a charge with automatic recharging and supports charging while operating. The CARS management platform enables marketing editing, status queries, and map management with global multi-node private deployment. Accessories include dust cover, wine rack, cup holder, dish return box, and physical caller. Targets restaurants, retail, hotels, airports, and factories for logistics and reception.